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Doctor insights on: Underactive Thyroid And Thin Blood

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Is ther another way of testing for underactive thyroid other than usual blood test?

Is ther another way of testing for underactive thyroid other than usual blood test?

No: Blood tests are the most accurate way to test for underactive thyroid. Other testing such as basal metabolic rates, saliva or urine testing, or hair analysis are completely unreliable. ...Read more

Dr. Su Fairchild
1,212 doctors shared insights

Hypothyroidism (Definition)

The thyroid gland is an endocrine organ located in the front part of the neck. Its role is to make thyroid hormones, which control the way cells use energy. Hyperthyroidism results when the thyroid gland is overactive and too much thyroid hormone is produced, which speeds up metabolism. This results in weight loss, a quick heartbeat, sweating, nervousness, ...Read more


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If I was underactive thyroid blood test, what symptoms should I be watching out for?

If I was underactive thyroid blood test, what symptoms should I be watching out for?

Probably none.: Most cases of hypothyroidism are picked up by routine blood testing, in which thyroid hormones (t3 (liothyronine) and t4) start dropping, and thryroid stimulating hormone (TSH) start rising from a little gland in the head (the pituitary or master gland). Glands function on a feedback mechanism. If you have symptoms (lethargy, wt gain, dry skin/hair, constipation + 50 others), the DX is late. ...Read more

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Can someone tell me if it is possible for your blood tests to show hypothyroidism even if you don't have an underactive thyroid?

Can someone tell me if it is  possible for your blood tests to show hypothyroidism even if you don't have an underactive thyroid?

Thats how we tell: Screen with Thyroid Stimulating Hormone(TSH) and follow up testing with T4 and T3 (liothyronine) levels. There are 2 main differrent types of Hypothyroidism, with the most common being underactive thyroid whicvh would cause the T4 and T3 (liothyronine) levels to be low and the TSH to be high. Stress can also cause the TSH to be altered, but the T3 (liothyronine) and T4 would be normal. That is when we check Reverse T3 (liothyronine). Symptoms important too ...Read more

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31 male. Last two blood tests (1month & 1yr) both showed underactive thyroid doc says this wont require meds until im older. Is this correct?

31 male. Last two blood tests (1month & 1yr) both showed underactive thyroid doc says this wont require meds until im older. Is this correct?

Sub clinical : If your TSH is a little high but your freet4 is in normal range you may have sub clinical hypothyroidism. We don't generally treat until a person develops overt hypothyroidism unless the person has another condition that would be improved by treating sub clinical hypothyroidism. ...Read more

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Diagnosed 8 years ago with underactive thyroid recently had blood test take 100mcg. But always feel unwell and tired hair falling out why?

Diagnosed 8 years ago with underactive thyroid recently had blood test take 100mcg. But always feel unwell and tired hair falling out why?

I'm sure that your: Tsh level is closely monitored and medicine dose adjusted by your dr . Sometimes the dr makes the adjustment of the meds not only based on the TSH but also on your symptoms. Perhaps, there are other autoimmune and psychological issues- anxiety, depression, insomnia etc- that contribute to your problem. Discuss these in detail with your pcp.Take care! ...Read more

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Male 58yrs. Blood test 12 months ago showed underactive thyroid. Been taking Kelp (675mcg per day) have developed a facial/neck rash. Kelp induced?

Male 58yrs. Blood test 12 months ago showed underactive thyroid. Been taking Kelp (675mcg per day) have developed a facial/neck rash. Kelp induced?

Kelp doesn't help: Hi. Kelp doesn't help any form of hypothyroidism except iodine deficiency; iodine deficiency is non-existent in the modern world. So you're doing nothing to help your hypothyroidism by taking kelp. Assuming the diagnosis of hypothyroidism is correct, stop the kelp and thane the thyroid hormone your doctor would have prescribed based on the labs showing hypothyroidism. Good luck! ...Read more

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I had a blood test to test my thyroid levels and my gp told me it was 14 and that the norm is anywhere between 10-20. My mum has underactive thyroid and I am worried that I have the same. I am very tired all of the time as well as short tempered with it,

I had a blood test to test my thyroid levels and my gp told me it was 14 and that the norm is anywhere between 10-20. My mum has underactive thyroid and I am worried that I have the same. I am very tired all of the time as well as short tempered with it,

Low Thyroid?: 37 F from England has fatigue and short tempered. Notes mother has low thyroid but patients own thyroid tests are normal. If your Dr. agrees that your thyroid tests are normal then you need to find other causes for your fatigue and short temp. Talk about it with your team. ...Read more

Dr. Quang Nguyen
850 doctors shared insights

Hypothyroidism (Adult) (Definition)

Hypothyroidism is a condition where the thyroid gland does not secrete enough of the thyroid hormones. Symptoms include cold intolerance, constipation, and fatigue. ...Read more


Dr. Tanya Russo
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more